JP6087742B2 - 半導体装置、および、チップ識別子の設定方法 - Google Patents
半導体装置、および、チップ識別子の設定方法 Download PDFInfo
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- H01L24/10—Bump connectors ; Manufacturing methods related thereto
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Description
上流および下流の一方に接続された第一の半導体チップに、チップ識別子の設定状態の通知を要求する要求信号を送信する第一の送信手段と、
前記送信した要求信号に対する応答として、前記第一の半導体チップのチップ識別子の設定状態と前記チップ識別子の値を示す応答信号を受信する第一の受信手段と、
前記受信した応答信号に基づき、前記チップ識別子が未設定の半導体チップのチップ識別子の設定処理を行う設定手段と、
前記上流および下流の他方に接続された第二の半導体チップから、前記要求信号を受信する第二の受信手段と、
前記受信した要求信号に対する応答として、前記設定手段でチップ識別子を設定した半導体チップのチップ識別子の設定状態と前記チップ識別子の値を示す応答信号を送信する第二の送信手段とを有する。
図1により実施例の複数の半導体チップが搭載された半導体装置の構成例を示す。
図2により半導体チップ100-400の構成例を示す。
リセット解除後、半導体チップ100の確認要求送信部102は、下層に向けて識別子確認要求を送信する。識別子確認要求は、MUX 110と要求バス501を介して、半導体チップ100の外へ送信される。ただし、半導体チップ100の下層はインターポーザ基板500であり、半導体チップは存在せず、要求バス501は開放されている。
図3により識別子確認要求と識別子確認応答のタイミングチャートを示す。リセット解除後、全半導体チップは、識別子確認要求を下層に向けて送信する。図3の例では、時刻t2において、識別子確認要求が送信される。
図5のブロック図により識別子設定部101の構成例を示す。
Claims (15)
- 複数の半導体チップが搭載された半導体装置であって、前記複数の半導体チップのうちチップ識別子が未設定の半導体チップは、
上流および下流の一方に接続された第一の半導体チップに、チップ識別子の設定状態の通知を要求する要求信号を送信する第一の送信手段と、
前記送信した要求信号に対する応答として、前記第一の半導体チップのチップ識別子の設定状態と前記チップ識別子の値を示す応答信号を受信する第一の受信手段と、
前記受信した応答信号に基づき、前記チップ識別子が未設定の半導体チップのチップ識別子の設定処理を行う設定手段と、
前記上流および下流の他方に接続された第二の半導体チップから、前記要求信号を受信する第二の受信手段と、
前記受信した要求信号に対する応答として、前記設定手段でチップ識別子を設定した半導体チップのチップ識別子の設定状態と前記チップ識別子の値を示す応答信号を送信する第二の送信手段とを有する半導体装置。 - 前記設定手段は、前記受信した応答信号がチップ識別子の設定未了を示す場合は、前記第一の送信手段に前記要求信号を再送信させる請求項1に記載された半導体装置。
- 前記設定手段は、前記受信した応答信号がチップ識別子の設定完了を示す場合は、前記応答信号が示すチップ識別子の値に基づきチップ識別子を設定する請求項1または請求項2に記載された半導体装置。
- 前記設定手段は、前記応答信号が示すチップ識別子の値をインクリメントした値をチップ識別子として設定する請求項3に記載された半導体装置。
- 前記複数の半導体チップの間で通常データ転送要求を行う第一の信号線を有する請求項1から請求項4の何れか一項に記載された半導体装置。
- 前記第一の送信手段と前記第二の受信手段は、前記第一の信号線を介して前記要求信号の送受信を行う請求項5に記載された半導体装置。
- 前記複数の半導体チップの間で通常データ転送応答を行う第二の信号線を有する請求項1から請求項6の何れか一項に記載された半導体装置。
- 前記第一の受信手段と前記第二の送信手段は、前記第二の信号線を介して前記応答信号の送受信を行う請求項7に記載された半導体装置。
- 前記複数の半導体チップのうち最下流または最上流の半導体チップの前記第一の受信手段には、前記応答信号として固定値が入力される請求項1から請求項8の何れか一項に記載された半導体装置。
- 前記固定値は、チップ識別子の設定完了およびチップ識別子として所定値を示す請求項9に記載された半導体装置。
- 前記複数の半導体チップはインターポーザに搭載されている請求項1から請求項10の何れか一項に記載された半導体装置。
- 前記複数の半導体チップは、前記インターポーザ上に積層されている請求項11に記載された半導体装置。
- 前記複数の半導体チップは貫通電極によって電気的に接続されている請求項12に記載された半導体装置。
- 前記複数の半導体チップは、前記インターポーザ上に並置されている請求項11に記載された半導体装置。
- 半導体装置に搭載された複数の半導体チップのチップ識別子を設定する方法であって、前記複数の半導体チップのうちチップ識別子が未設定の半導体チップにて、
上流および下流の一方に接続された第一の半導体チップに、チップ識別子の設定状態の通知を要求する要求信号を送信し、
前記送信した要求信号に対する応答として、前記第一の半導体チップのチップ識別子の設定状態と前記チップ識別子の値を示す応答信号を受信し、
前記受信した応答信号に基づき、前記チップ識別子が未設定の半導体チップのチップ識別子の設定処理を行い、
前記上流および下流の他方に接続された第二の半導体チップから、前記要求信号を受信し、
前記受信した要求信号に対する応答として、前記設定処理でチップ識別子を設定した半導体チップのチップ識別子の設定状態と前記チップ識別子の値を示す応答信号を送信する設定方法。
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JP2001084172A (ja) * | 1999-09-10 | 2001-03-30 | Nec Home Electronics Ltd | 半導体記憶装置 |
JP4799157B2 (ja) * | 2005-12-06 | 2011-10-26 | エルピーダメモリ株式会社 | 積層型半導体装置 |
JP4887844B2 (ja) * | 2006-03-13 | 2012-02-29 | オムロン株式会社 | 監視システム、その端末装置、主制御装置、端末装置の登録方法およびプログラム |
WO2007150045A2 (en) * | 2006-06-22 | 2007-12-27 | Sirit Technologies Inc. | Interrogating radio frequency tags |
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US8130527B2 (en) * | 2008-09-11 | 2012-03-06 | Micron Technology, Inc. | Stacked device identification assignment |
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WO2010134201A1 (ja) * | 2009-05-22 | 2010-11-25 | 株式会社日立製作所 | 半導体装置 |
JP5150591B2 (ja) * | 2009-09-24 | 2013-02-20 | 株式会社東芝 | 半導体装置及びホスト機器 |
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US8621131B2 (en) * | 2011-08-30 | 2013-12-31 | Advanced Micro Devices, Inc. | Uniform multi-chip identification and routing system |
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